Figure 2 - NMEA2000 connector pinout
There is no need to connect the CAN-GND, and in fact doing so may cause reliability issues due to ground-loops.
A limited number of NMEA2000 TM like status output messages are supported. These messages may be useful when the WS500 is connected to a NMEA2000 network and will allow the operational status of the alternator and battery to be displayed. Refer to Appendix B: CAN messages for a list of supported messages. Note that the WS500 will send two groups of some of the NMEA2000 messages, one set for the Battery and one set for the Regulators operation. Refer to the details of each PGN. Be sure to properly configure the regulator when using these messages, specifically the `Engine ID’ and ‘Charger Instance’ using the $CCN: command, and note also that the Battery Instance number transmitted in NMEA2000 messages is reduced by 1 from the WS500 Battery Instance (NMEA2000 uses 0 oriented numbering, while RV-C uses 1 oriented numbering).
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